Lausen, C.L., and Barclay, R.M.R. 2006. Winter bat activity in the Canadian prairies. Canadian Journal of Zoology 84: 1079-1086. pdf reprint
Hear radio interview on the CBC Quirks and Quarks.
Read BCI BATS Magazine article about this research.

Lausen, C.L., and Barclay R.M.R. 2006. The benefits of living in a building: Comparing maternity colonies of big brown bats (Eptesicus fuscus) in rock crevice and building roosts. Journal of Mammalogy 87(2): 362-370. Abstract